Home / 28,568.14-39,419.34-17,950.25

Finding the Fourth Proportional to 28,568.14, 39,419.34 and 17,950.25

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Solution

The fourth proportional to 28,568.14, 39,419.34 and 17,950.25 is: 24,768.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,568.14 : 39,419.34 = 17,950.25 : x
  2. Step 2: Convert to fraction form
    28,568.14/39,419.34 = 17,950.25/x
  3. Step 3: Cross multiply
    28,568.14x = 39,419.34 × 17,950.25
  4. Step 4: Simplify right side
    28,568.14x = 707,587,007.84
  5. Step 5: Solve for x
    x = 707,587,007.84/28,568.14
  6. Step 6: Final answer
    x = 24,768.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.